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Ubuntu 20.04 LTS : EDK II vulnerabilities (USN-5088-1)

high Nessus Plugin ID 153591

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Synopsis

The remote Ubuntu host is missing one or more security updates.

Description

The remote Ubuntu 20.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5088-1 advisory.

 It was discovered that EDK II incorrectly handled input validation in MdeModulePkg. A local user could possibly use this issue to cause EDK II to crash, resulting in a denial of service, obtain sensitive information or execute arbitrary code. (CVE-2019-11098)

 Paul Kehrer discovered that OpenSSL used in EDK II incorrectly handled certain input lengths in EVP functions. An attacker could possibly use this issue to cause EDK II to crash, resulting in a denial of service. (CVE-2021-23840)

 Ingo Schwarze discovered that OpenSSL used in EDK II incorrectly handled certain ASN.1 strings. An attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly obtain sensitive information. (CVE-2021-3712)

 It was discovered that EDK II incorrectly decoded certain strings. A remote attacker could use this issue to cause EDK II to crash, resulting in a denial of service, or possibly execute arbitrary code.
 (CVE-2021-38575)

Tenable has extracted the preceding description block directly from the Ubuntu security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

Solution

Update the affected packages.

See Also

https://ubuntu.com/security/notices/USN-5088-1

Plugin Details

Severity: High

ID: 153591

File Name: ubuntu_USN-5088-1.nasl

Version: 1.9

Type: local

Agent: unix

Published: 9/23/2021

Updated: 8/27/2024

Supported Sensors: Agentless Assessment, Continuous Assessment, Frictionless Assessment Agent, Frictionless Assessment AWS, Frictionless Assessment Azure, Nessus Agent, Nessus

Risk Information

VPR

Risk Factor: Medium

Score: 6.7

CVSS v2

Risk Factor: Medium

Base Score: 6.8

Temporal Score: 5.3

Vector: CVSS2#AV:N/AC:M/Au:N/C:P/I:P/A:P

CVSS Score Source: CVE-2021-38575

CVSS v3

Risk Factor: High

Base Score: 8.1

Temporal Score: 7.3

Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

Vulnerability Information

CPE: cpe:/o:canonical:ubuntu_linux:20.04:-:lts, p-cpe:/a:canonical:ubuntu_linux:ovmf, p-cpe:/a:canonical:ubuntu_linux:qemu-efi, p-cpe:/a:canonical:ubuntu_linux:qemu-efi-arm, p-cpe:/a:canonical:ubuntu_linux:qemu-efi-aarch64

Required KB Items: Host/cpu, Host/Ubuntu, Host/Ubuntu/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/23/2021

Vulnerability Publication Date: 2/16/2021

Reference Information

CVE: CVE-2019-11098, CVE-2021-23840, CVE-2021-3712, CVE-2021-38575

IAVA: 2021-A-0103-S, 2021-A-0395-S

USN: 5088-1